* {
  margin: 0; }

.hide {
  display: none; }

.image-warpper {
  position: relative;
  width: 100px;
  height: 100px;
  top:100px;
  border: solid 1px #b3b3b3;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
  margin: 0 auto;
  cursor: pointer;
  text-align: center;
  line-height: 130px;
  background: url(./icon_add.png) no-repeat;
  -webkit-background-size: 100%;
  -moz-background-size: 100%;
  background-size: 100%; }
  .image-warpper input {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    cursor: pointer;
    -webkit-appearance: none;
    -webkit-opacity: 0;
    -moz-opacity: 0;
    -o-opacity: 0;
    -ms-opacity: 0;
    opacity: 0;
    filter: alpha(opacity=0); }
  .image-warpper img {
    position: absolute;
    max-width: 100%;
    max-height: 100%;
    z-index: 10;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%); }

